Re: Mailbox is doubling in size daily



We are using Symantec Antivirus Corporate edition on the desktop and I am
using Symantec for Exchange on the server. When I arrived to work on Monday
morning at 8am things were fine. By 9am the exchange store shut down because
it reached the 16GB limitation. I was able to mount the store and look at
the sizes of the mailboxes and found that the one user's mailbox was about 3
to 3.5 GB in size. I had run the offline defragmentation and even had other
people archive and delete unneccesary mail. Everytime that space was cleared
up, this user's mailbox would fill the empty space. By 5pm on Monday, the
mailbox had reached just under 5GB of disk space and my store was shutdown
again. By the next morning, I used the registry entry to temporarily to
increase the limitation to 17GB and we exported all of his mail. It created
a 5GB .PST file. I then was forced to delete his mailbox and purge it from
the system. Once I ran maintenance and an offline defrag the database size
had decreased back to 11gb. I then created a new mailbox for the user and we
imported select information back to the exchange server (like items from his
calendsr) His mailbox is currently at about 33MB. We ran antivirus scans on
the server and on his computers. No viruses were found. The only thing we
were able to determine was that all of his file attachments were now huge.
Files that should have been less than 1mb were now over 100mb in size. They
are still that way in the .PST file. So this is where I am at now. I am
stuck trying to determine what caused the problem in the first place. Also,
as an extra precaution I had him change his password in case someone had
stolen it but like I said there was no indication of a virus and we even
checked for spyware and adware. Nothing.

So any help would be great.

Thank You,
Donald Palmer, MCSE

"Arlo Clizer [MVP]" wrote:

> "=?Utf-8?B?RG9uYWxkIFBhbG1lcg==?="
> <DonaldPalmer@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> news:245D3C2F-6944-432D-973B-7196F221E2B4@xxxxxxxxxxxxx:
>
> > I have an extreme situation. I have a user that their mailbox is
> > growing in size too quickly. I am not seeing the user being used as a
> > relay as I would expect his inbox to fill up. What looks like is
> > happening is that any email with a file attachment, the file
> > attachment is increasing in size. A simple Visio document that is
> > less than 1MB in size is now listed as being 122MB in size in the
> > mailbox. I do not know what is causing the file attachments to grow.
> > I am currently running Virus Scans to look for trouble but I would
> > expect everyone to be affected and it is only the 1 user. I am
> > getting ready to delete the mailbox and start over.
>
> I've sure never heard of this before. What are you using for antivirus?
> What does the size show up as from the client side?
>
> Regards,
>
> --
> Arlo Clizer
> Exchange MVP
> FAQ: http://www.exchangefaq.org
> Archives: http://groups.google.com
>
.



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